CN101544131A - Recording method - Google Patents
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- CN101544131A CN101544131A CNA2009101280653A CN200910128065A CN101544131A CN 101544131 A CN101544131 A CN 101544131A CN A2009101280653 A CNA2009101280653 A CN A2009101280653A CN 200910128065 A CN200910128065 A CN 200910128065A CN 101544131 A CN101544131 A CN 101544131A
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Abstract
The invention provides a recording method capable of improving image quality of the image recorded on recording medium, even a plurality of recording units for providing liquid to recording medium are disposed separately from each other in the tranportation direction of recording medium. The recording method includes: test treatment by a control device of a recording device to recording papers according to each rocording head formed reference marks Mb1, Mb2 (Step 12); then the control devide gets a position offset value Gx, Gy of each the reference marks Mb1, Mb2 (Step 13) and revises ink-jet mode of the downstream side to revise the position offset value Gx, Gy (Step 14), and then the control device makes the upstream recording head jet ink to record image on recording area of the recording papers (Step17), and makes the downstream side recording head jet ink according to revised ink-jet mode (Step18).
Description
Technical field
The present invention relates to use liquid such as ink, the recording method of document image etc. on recording medium.
Background technology
In general, as the tape deck that uses liquid to handle at the enterprising line item of recording medium, that is widely known by the people has a inkjet recording device (hereinafter to be referred as " tape deck ") facing to the record-paper ink-jet.In this tape deck, be provided with record-paper to the conveying mechanism of throughput direction conveying with to be transported to the record head that the record-paper in the device carries out ink-jet by this conveying mechanism.Receive under the situation of view data from the main frame that is connected with this tape deck at tape deck, spray various inks to record-paper, will be recorded in the posting field of record-paper based on the image of view data by record head.
But because the influence that environment (particularly humidity) or injected ink etc. are set of tape deck, the record-paper of implementing record may stretch.In addition, the situation that also has record-paper under the state that above-mentioned relatively throughput direction tilts, to carry by conveying mechanism.In this case, record head can not be ejected into ink on the suitable position of record-paper.Therefore, as the method that addresses this is that, 2 kinds of schemes as follows have been proposed.
At first, in the 1st kind of scheme, under the situation of the record of having finished first record-paper, the interval of the end of the posting field of the record-paper that record is finished and the end of this record-paper (promptly, margin is at interval) measure, calculate this interval with as the predefined difference of subscribing the interval of record condition.Then, when the 2nd and later record-paper are write down, according to above-mentioned difference correction under the state of the form of record-paper ink-jet, at the enterprising line item of record-paper.Therefore, even record-paper is flexible, or record-paper is transferred under the state that tilts, and also can realize record-paper is carried out appropriate record.(with reference to patent documentation 1)
In addition, the 2nd kind of scheme is to use the method for the record-paper of the mark that is pre-formed regulation on record start position.That is, under this record-paper is transported to situation in the device, detect mark, be labeled as benchmark with this and carry out ink-jet by mark detecting unit (sensor etc.).Consequently, can be at the appropriate image of appropriate position record of record-paper.(with reference to patent documentation 2)
[patent documentation 1] spy opens the 2004-142269 communique
[patent documentation 2] spy opens flat 7-9728 communique
But, recently, carrying out the exploitation of single file formula (line head type) tape deck, in this device, along above-mentioned throughput direction, a plurality of (for example 2) record cell that will have the length of also growing than the lateral length of record-paper is configured with state spaced apart from each other.The constituted mode of these each record cells is as follows: wherein, be positioned at the upstream side record cell of throughput direction upstream side, ink (for example cyan and magenta ink) that can the spout part kind, and the downstream record cell that is positioned at conveyance direction downstream side can spray the ink of other kinds (for example yellow ink and black ink).In this tape deck, from the ink of upstream side record cell to record-paper spout part kind, then, from the downstream record cell record-paper is suitably sprayed the ink of other kinds, so that the ink of these other kinds overlaps with the inking position of the ink of the part kind of spraying from the upstream side record cell.
At this moment, owing to record-paper has been sprayed ink, appear at the situation of the part generation differential expansion of this record-paper ink inside inking sometimes with upstream sidelights record unit.Therefore, sometimes on a record-paper, the position with respect to the desired inking in inking position of the ink that sprays from the upstream side tape deck can be departed from the inking position of the ink that sprays from the downstream record cell.The position deviation of the inking position of the inking position of the ink of this upstream side record cell and the ink of downstream record cell, the confusion of the image that can cause on record-paper being write down.Therefore on this aspect of image quality that improves the image that is write down on the record-paper, room for improvement is arranged.
Summary of the invention
The present invention finishes down in light of this situation, even its objective is that providing a kind of provides under the situation of liquid to recording medium for 2 times dividing, also can have the recording method of contribution to the raising of the image quality of the image that writes down on the recording medium.
For achieving the above object, recording method of the present invention, have: at the posting field record of the recording medium of carrying along the throughput direction of regulation during based on the image of view data, the non-staining liquid that will contain the 1st look liquid of colorant and not contain colorant offers the 1st supplying step of the posting field of aforementioned recording medium; With in the posting field of aforementioned recording medium, provide at least a position in above-mentioned the 1st look liquid and the above-mentioned non-staining liquid by the 1st supplying step, the 2nd supplying step of the 2nd look liquid that contains colorant is provided, in addition, also have performed following steps before above-mentioned each supplying step is carried out: in the zone that can write down in aforementioned recording medium, that comprise above-mentioned posting field, the 1st mark that uses above-mentioned the 1st look liquid to form the 1st reference mark forms step; After the 1st mark forms step enforcement, above-mentioned non-staining liquid is offered equably the non-staining liquid supplying step in the above-mentioned whole zone that can write down of aforementioned recording medium; After this non-staining liquid supplying step was carried out, the 2nd mark that uses above-mentioned the 2nd look liquid to form the 2nd reference mark in the above-mentioned zone that can write down of aforementioned recording medium formed step; Detect the positional offset amount detection step that forms the positional offset amount of formed above-mentioned the 1st reference mark of step and above-mentioned the 2nd reference mark by above-mentioned each mark; According to each unit are zone of the posting field of recording medium, calculate respectively from the time will recording on the recording medium based on the image of above-mentioned view data the employed the above-mentioned the 1st and the total amount of the 2nd look liquid removed the use amount calculation procedure of the use amount that obtains behind the amount of colorant; With according to the per unit area zone, calculate the use amount of above-mentioned the 1st look liquid that calculates by above-mentioned use amount calculation procedure and the difference of regulation amount of moisture, and with the non-staining liquid quantity delivered calculation procedure of this difference as the quantity delivered of the above-mentioned non-staining liquid in per unit area zone, in above-mentioned the 1st supplying step, the above-mentioned non-staining liquid of above-mentioned the 1st look liquid of the use amount that will be calculated by above-mentioned use amount calculation procedure and the quantity delivered that calculated by above-mentioned non-staining liquid quantity delivered calculation procedure offers aforementioned recording medium respectively; In above-mentioned the 2nd supplying step, to being detected by above-mentioned positional offset amount under the situation that the detected positional offset amount of step carried out revising, above-mentioned the 2nd look liquid of the use amount that will be calculated by above-mentioned use amount calculation procedure offers aforementioned recording medium.
According to above-mentioned formation, in the zone that can write down of recording medium, use the 1st look liquid to form the 1st reference mark after, provide non-staining liquid equably to the whole zone that can write down of recording medium.At this moment, recording medium is owing to the supply of the 1st look liquid and non-staining liquid is stretched.In this state, in the zone that can write down of recording medium, use the 2nd look liquid to form the 2nd reference mark.Therefore, under the situation that recording medium stretches, even formed the 2nd reference mark that overlaps with the 1st reference mark, the flexible position deviation that causes owing to recording medium can take place also on the formation position of each reference mark.Therefore, in the present invention, detect the positional offset amount of the formation position of each reference mark.Then, in the time will recording on the recording medium based on the image of view data, the 1st liquid and non-staining liquid be offered recording medium respectively.Then, in recording medium, provide at least a position of the 1st liquid and non-staining liquid and provide under the situation of the 2nd look liquid, the 2nd look liquid is provided under the state of only having revised detected positional offset amount.Therefore, even be divided in the step that colored liquid will be provided recording medium under 2 times the situation, also help to improve the image quality that is recorded in the image on the recording medium.
In register system of the present invention, between above-mentioned record cell adjacent on the above-mentioned throughput direction, be provided with the heating unit of heating aforementioned recording medium.
According to above-mentioned formation, offer the liquid of recording medium by the record cell of the upstream side that is arranged on throughput direction, owing to the heating of heating unit has to a certain degree volatilization.Therefore, provide by the record cell that is arranged on the downstream liquid to recording medium before, just can suppress liquid that record cell by upstream side offers recording medium can occur the spreading and sinking in problem of paper.
Description of drawings
Fig. 1 (a) is the approximate vertical view of the register system in the present embodiment, (b) is the summary side elevation of inkjet recording device.
Fig. 2 is the vertical view that expression nozzle in medelling ground forms the part of face.
Fig. 3 is the circuit block diagram of the electric structure in the expression present embodiment.
Fig. 4 is the circuit block diagram of the structure of expression recording timing generation circuit.
Fig. 5 is the sequential chart of expression internal timing signal and multiplication pulse signal
Fig. 6 is the flow chart of the recording processing program of explanation present embodiment.
Fig. 7 (a) is the vertical view of medelling ground expression record-paper, (b) is a part of enlarged drawing of Fig. 7 (a).
Fig. 8 is the action diagram of the inking position of the ink that sprays of each record head of expression.
The explanation of symbol
11 ... register system; 12 ... record-paper as recording medium; 12a ... the zone that can write down; 12c ... posting field; 13 ... inkjet recording device; 15 ... conveying mechanism as supply unit; 17 ... heater as heating unit; 28 ... upstream side record head as upstream side unit; 29 ... downstream record head as downstream record cell; 56 ... acquiring unit, control module, setup unit, as the control part of use amount computing unit; Gx, Gy ... positional offset amount; Mb1, Mb2 ... reference mark; Q_al1 ... ormal weight; Q_clear ... emitted dose; Q_color ... use amount; X ... throughput direction.
The specific embodiment
Below, according to Fig. 1～Fig. 8 the embodiment that recording method of the present invention and register system are specialized is described.
Shown in Fig. 1 (a) and (b), the register system 11 of present embodiment has: will spray (providing) to as the inkjet recording device on the record-paper 12 of recording medium (below, abbreviate " tape deck " as) 13 as the aqueous ink of liquid; With the main frame 14 that can carry out the transmission and the reception of various information (view data etc.) with this tape deck 13.Be provided with in this tape deck 13: as the conveying mechanism 15 of supply unit, it is used for record-paper 12 is carried along throughput direction X: and as the recording mechanism 16 of record portion, it can offer ink the record-paper of being carried by this conveying mechanism 15 12.In addition, be provided with in tape deck 13: as the heater 17 of heating unit, it is used to make the moisture evaporation of the ink of inking on record-paper 12; Scanner 18 that can the image of sweep record on record-paper 12 etc.; Control device 19 with the whole tape deck 13 of control.
In addition, conveying mechanism 15 is provided with: the linear encoder 25 (being the magnetic-type linear encoder in the present embodiment) that is used for calculating the actuating speed of conveyer belt 23 or the position of the record-paper 12 on the conveyer belt 23 etc.This linear encoder 25 has via conveyer belt 23 1 all formed magnetic force linear scales 26, in the banded magnetic force recording layer of this magnetic force linear scale 26, forms the magnetic force pattern of constant space on the circumferencial direction of this magnetic force linear scale.In addition, on the adjacent locations (among Fig. 1 (a)) of magnetic force linear scale 26, be provided with the magnetometric sensor 27 of the magnetic force pattern that is used for reproducing this magnetic force linear scale 26 than magnetic force linear scale 26 more close paper sides.This magnetometric sensor 27 is exported to control device 19 with detected code device signal.
As shown in Figure 2, be used as the nozzle that has formed a plurality of nozzle openings 30 with the record-paper 12 opposed opposed faces of carrying in each record head 28,29 and form face 28a, 29a by conveying mechanism 15.Form on face 28a, the 29a at each nozzle,,, form the nozzle sets (among Fig. 2, only having represented the nozzle sets 31 of magenta ink) of each ink respectively according to the kind of ink along throughput direction X.In addition, in each nozzle formed face 28a, 29a, the nozzle sets of clear ink and other nozzle sets (forming at nozzle under the situation of face 28a, is the nozzle sets 31 of magenta ink or the nozzle sets of cyan) were compared, and are arranged on the downstream of throughput direction X.
Being constructed as follows of the nozzle sets 31 of magenta ink: a plurality of (among Fig. 2 being 5) nozzle rows 32a, the 32b that forms by a plurality of nozzle openings 30 that on transverse direction Y, are provided with, 32c, 32d, 32e with equal intervals along throughput direction X with the equal intervals setting.In the relation between adjacent nozzles row 32a～32e on the throughput direction X be: the nozzle opening 30 of top side each nozzle opening 30, that be arranged in Fig. 1 that constitutes the nozzle rows of the upstream side be arranged in throughput direction X, the nozzle opening that is arranged in Fig. 1 top side 30 of each nozzle opening 30 of nozzle rows that is arranged in the downstream of throughput direction X with formation is compared, and is positioned at the upside of Fig. 1 slightly.That is to say, each nozzle opening 30 of nozzle sets 31 that constitutes magenta ink on transverse direction Y that the position is set is different.In addition, about the nozzle sets of other inks, owing to have identical structure with the nozzle sets 31 of magenta red ink, so omit detailed explanation.
As Fig. 1 (a) (b) shown in, heater 17 is arranged on each record head 28 and 29 centre position on the throughput direction X.In addition, when record-paper 12 was write down, heater 17 was constantly to provide the mode of certain heat to drive to record-paper 12.
As shown in Figure 3, in main frame 14, set up printer driver 40 by the CPU (omitting diagram) and the program of this main frame 14.This printer driver 40 has conversion of resolution handling part 41, color conversion process portion 42, halftone process portion 43 and rasterization process portion 44.The conversion of resolution that conversion of resolution handling part 41 carries out being recorded in the view data of the image on the record-paper 12 becomes the conversion of resolution of the log resolution (being also referred to as " printed resolution ") of tape deck 13 to handle.
Color conversion process portion 42 obtains rgb image data from conversion of resolution handling part 41 and carries out color conversion process.Color conversion process is meant that the view data that will comprise the gray value of R (Red) G (Green) B (Blue) is converted to the processing of data of the gray value of each color of C (cyan) M (magenta) Y (yellow) K (black) that tape deck 13 uses.This processing is to carry out with reference to the color-conversion table (look-up table) that does not have expression among the figure.In addition, color-conversion table is for be combined into the conversion table data that line display use of the shown color of the combination of each gray value that will be by RGB with each gray value of CMYK.
Then, according to Fig. 3～Fig. 5 the electric structure of the tape deck 13 of present embodiment is described.
As shown in Figure 3, the control device 19 of tape deck 13 also has: the control module 50 (part that impales with chain-dotted line among Fig. 3) that is made of digital computer etc.; Be used to drive the conveying motor driver 51 of carrying motor 24; With the heat driven device 52 that is used to drive heater 17.In addition, control device 19 also has: the upstream side head driver 53 that is used to drive upstream side record head 28; Be used to drive the downstream head driver 54 of downstream record head 29; With the scanner driver 55 that is used for driven sweep device 18.
The intermediate code that image processing part 58 will be deposited into above-mentioned intermediate buffer is converted to the data bitmap (gray value data) that record ink dot (printing points) is represented with gray value.Then, the data bitmap after image processing part 58 will be changed expands on the storage part 59.
Shown in Figure 4 and 5, recording timing generation circuit 61 has internal signal generating unit 70, multiplication portion 71, timing setting portion 72, timing measuring and calculating portion 73 and output pulse control circuit 74.According to from the reference pulse signal RS of edge detect circuit 60 and by the clock signal C K of not shown clock circuit input, internal signal generating unit 70 generates 1 cycle with reference pulse signal RS and is divided into 16 parts pulse signal as internal timing signal TS.Then, internal signal generating unit 70 is exported to multiplication portion 71 and timing measuring and calculating portion 73 with the internal timing signal TS that generates.In addition, multiplication portion 71 1 cycle generating internal timing signal TS that will input further cut apart (multiplication) multiplication pulse signal BS.Then, the multiplication pulse signal BS that will generate of multiplication portion 71 exports to regularly measuring and calculating portion 73.In addition, the result of the test processes that will mention according to the back of timing setting portion 72 obtains change time HT1, the HT2 of the time for spraying of the ink that each record head 28,29 sprays.Then, timing setting portion 72 change time HT1, the HT2 that will obtain exports to regularly measuring and calculating portion 73.In addition, be used for upstream side record head 28 the 1st the change time HT1 be set at " 0 (zero) ".The 2nd change time HT2 that is used for downstream record head 29 is set at: record-paper 12 near the position of edge part on the ink of inking, time for spraying carries out big correction more.
In addition, regularly measuring and calculating portion 73 is according to internal timing signal TS, multiplication pulse signal BS and change time HT1, the HT2 of input, the ink-jet moment of calculating each nozzle opening 30.Particularly, from the time for spraying of nozzle opening 30 ink-jets, be the setting-up time of setting according to the data bitmap of expansion in the storage part 59, only revise above-mentioned change time HT1, HT2.Under the situation of having passed through according to change time HT1, the revised setting-up time of HT2, regularly measuring and calculating portion 73 exports to output pulse control circuit 74 with control instruction.The output pulse control circuit 74 of having imported control instruction like this generates recording timing signal PTS and exports to each drive division 64,65, so that arrived ink-jet nozzle opening 30 ink-jets constantly.
As shown in Figure 3, feed drive portion 62 is according to the control instruction from control part 56, by carrying motor driver 51 control conveying mechanisms 15.At this moment, feed drive portion 62 is according to from the code device signal of linear encoder 25 rotary speed of carrying motor 24 etc. being controlled.
Under the situation of the control instruction of having imported the meaning that record-paper 12 is heated, heater-driven portion 63 controls heater 17 during by conveying mechanism 15 feeding recordable papers 12.
Upstream side head drive division 64 is by recording timing generation circuit 61, according to the record data that pass on by control part 56 (data bitmap), and the spray regime of the color inks of each nozzle opening 30 of control upstream side record head 28.In addition, upstream side head drive division 64 control upstream side record heads 28 are so that clear ink is ejected on the whole regional 12a that can write down of record-paper 12.Particularly, upstream side head drive division 64 control upstream side record heads 28, so that in the regional 12a that can write down of record-paper 12, spray than the more clear ink in the position of the color inks inking of spraying from upstream side record head 28 position of the not inking of color inks of spraying from upstream side record head 28.In addition, upstream side head drive division 64 is also controlled upstream side record head 28, so that in the posting field 12c of record-paper 12, even in the position of the color inks inking of spraying from upstream side record head 28, also to the little part injection of the ink dot that forms by color inks than the big part of the ink dot clear ink of volume more.
In addition, a downstream drive division 65 is by recording timing generation circuit 61, according to the record data that pass on from control part 56 (data bitmap), and the spray regime of the color inks of each nozzle opening 30 of control downstream record head 29.
For the image of sweep record on record-paper 12 etc., scanner control part 66 is by scanner driver 55 gated sweep devices 18.Then, scanner control part 66 recorded information that scanner 18 oscillogram charts 12 are obtained transfers to control part 56.
Then, according to the action diagram shown in the (a) and (b) of flow chart shown in Figure 6 and Fig. 7, the recording processing program that carries out during document image on record-paper 12 in the various control handling procedures that the control part 56 of present embodiment is carried out describes.
Receiving under the situation of view data control part 56 executive logging handling procedures from main frame 14 side joints.In this recording processing program, control part 56 judges whether need be used to obtain ink test (step S10) with the positional offset amount of the inking position of ink on record-paper 12 of spraying from downstream record head 29 in the inking position on the record-paper 12 of spraying from upstream side record head 28.That is to say, the size of the record-paper 12 that is used to write down and kind changes or tape deck 13 in temperature or situation about changing such as humidity under, promptly under the altered situation of record condition, by each record head 28,29 ink-jet the flexible state of record-paper 12 dissimilate.Therefore, among the step S10, in the end carried out judging whether record condition changes after the test.For example, in the dimension modifying of record-paper 12 situation under, from the view data that main frame 14 receives, comprise information about the size of record-paper 12.Whether the size of the record-paper 12 that control part 56 uses when judging the size of the record-paper 12 that uses in this record and last registration is inequality.
Then, the judged result of step S10 for the situation of negating under, identical judgement when control part 56 is made record condition and tested at last, and this processing transferred among the step S14 that will mention the back.And under the judged result of step S10 is sure situation, shown in Fig. 7 (a), have no in the whole regional 12a that can write down of the record-paper 12 that control part 56 will use when record images (zone that impales with double dot dash line among Fig. 7 (a)) to omit ground all the use amount of this clear ink under the situation of the roughly the same degree of uptake of the clear ink of the interior per unit area of the regional 12a that can write down (, reach) clear ink of injection calculate (step S11) as ormal weight Q_all.Regional 12a that can record is meant to making ink non-cohesive on the conveyer belt 23 of feeding recordable paper 12, and the zone that the non-jeting area 12b of the four square ring shapes that formed by the edge part at record-paper 12 impales is according to each record-paper 12 predefined zone.In addition, ormal weight Q_all is meant: by spray various inks on record-paper 12, make moisture amount on the per unit area of the regional 12a that can write down of record-paper 12 reach the total of the ink ejection amount of each record head 28,29 under the maximum situation.
Then, 56 pairs of record-papers of controller 12 are carried out test processes (step S12).Particularly, control part 56 will be used for the control instruction of feeding recordable paper 12 and export to feed drive portion 62, and this feed drive portion 62 makes and carries the direction of rotation rotation of motor 24 according to afore mentioned rules by carrying motor driver 51.So, conveying mechanism 15 along throughput direction X with constant speed feeding recordable paper 12.In addition, control part 56 is exported to upstream side head drive division 64 with control instruction, this control instruction is: what be used for that at the regional 12a that can write down of record-paper 12 four jiaos set respectively calculates position Pk, becomes the 1st reference mark Mb1 that obtains benchmark that obtains positional offset amount Gx, Gy.If by recording timing generation circuit 61 input recording timing signal PTS, then upstream side head drive division 64 makes upstream side record head 28 spray magenta red ink by upstream side head driver 53.Then, control part 56 is exported to upstream side head drive division 64 with control instruction, and this control instruction is: the clear ink that is used for the ormal weight Q_all that will calculate at step S11 is ejected into the whole regional 12a that can write down of record-paper 12.Then, if by recording timing generation circuit 61 input recording timing signal PTS, then upstream side head drive division 64 makes upstream side record head 28 spray clear ink by upstream side head driver 53.That is to say that in the regional 12a that can write down of record-paper 12, each position on the directions X that the 1st reference mark Mb1 forms after the 1st reference mark Mb1 forms, is sprayed clear ink respectively.
In addition, control part 56 is exported to each drive division 64,65 respectively with control instruction, this control instruction is: what be used for that at the regional 12a that can write down of record-paper 12 four jiaos set respectively calculates position Pk, becomes the 2nd reference mark Mb2 that obtains benchmark that is used to obtain positional offset amount Gx, Gy.Then, if by recording timing generation circuit 61 input recording timing signal PTS, then a downstream drive division 65 makes downstream record head 29 spray black ink by downstream head driver 54.At this moment, can not be owing to upstream side record head 28 causes this record-paper 12 to take place under the flexible situation to the ink-jet of record-paper 12, a downstream drive division 65 forms the 2nd reference mark Mb2 at record-paper 12, so that the 2nd reference mark Mb2 overlaps with each the 1st reference mark Mb1 that forms by upstream side record head 28.In addition, each the 2nd reference mark Mb2 is respectively formed at inking among the regional 12a that can write down of record-paper 12 has on the part of ink clearly.Therefore, in the present embodiment, step S12 is equivalent to obtain preparation process.In addition, " reference mark Mb1, Mb2 " comprises the 1st straight line portion that extends to throughput direction X and the mark of the 2nd straight line portion that extends to transverse direction Y.
Then, control part 56 is exported to scanner control part 66 (step S13) with control instruction, and this control instruction is: be used to scan each reference mark Mb1, the Mb2 that is formed on the Pk of position at respectively calculating of record-paper 12 by each record head 28,29.Then, shown in Fig. 7 (b), control part 56 is according to the image information that is scanned by scanner 18, according to each measuring and calculating position Pk, calculate by upstream side record head 28 formed the 1st reference mark Mb1 and by downstream record head the 1st positional offset amount Gx 29 formed the 2nd reference mark Mb2, on throughput direction X and the 2nd positional offset amount Gy on transverse direction Y.Then, control part 56 calculates the mean value of each the 1st positional offset amount Gx and the mean value of each the 2nd positional offset amount Gy, with this result of calculation as the 1st positional offset amount Gx on record-paper 12 and the 2nd positional offset amount Gy.Therefore, in the present embodiment, control part 56 also can be used as acquiring unit performance function.In addition, step S13 is equivalent to obtaining step.
Then, control part 56 is according to the 1st positional offset amount Gx and the 2nd positional offset amount Gy that get access at step S13, and the control instruction of the time for spraying of correction image data and ink is exported to image processing part 58 and recording timing generation circuit 61 (step S14).Then, image processing part 58, with be formed in the data bitmap expanded on the storage part 59 respectively write down in the ink dot, by the formed record ink dot of ink that downstream record head 29 sprays, on transverse direction Y, only move the distance that is equivalent to the 2nd positional offset amount Gy.
Particularly, in the record ink dot based on downstream record head 29, the record ink dot of going up inking in mind-set from transverse direction Y+Y direction one side (right side of Fig. 7 (a)) is corrected so that the inking position of ink to record-paper 12+Y direction one side shifting; In addition, the record ink dot of going up inking in mind-set from transverse direction Y-Y direction one side (left side of Fig. 7 (a)) is corrected so that the inking position of ink to record-paper 12-Y direction one side shifting.And with the corresponding record ink dot of ink of inking near the position of the end of the transverse direction Y of record-paper 12, the amount of movement (correction) of record ink dot is just many more.
In addition, in the timing setting portion 72 of recording timing generation circuit 61, at by upstream side record head 28 formed record ink dots, set the 2nd change time HT2, so that the ink-jet of downstream record head 29 is only changed the time that is equivalent to the 1st positional offset amount Gx constantly.Particularly, in the record ink dot based on downstream record head 29, go up the 2nd change time HT2 that inking uses in mind-set+directions X one side from throughput direction X (downside among Fig. 7 (a)) and be set to the negative time so that the inking position of ink on record-paper 12+directions X one side with the ink inking; In addition, go up the 2nd change time HT2 that inking uses in mind-set-directions X one side from throughput direction X (upside among Fig. 7 (a)) and be set to the positive time so that the inking position of ink on record-paper 12-directions X one side with the ink inking.And the 2nd change time HT2 is set at the 2nd corresponding change time HT2 of ink with inking near the position of the end of the throughput direction X of record-paper 12, and it is big more that its absolute value just becomes.
Then, control part 56, at the posting field 12c that will record record-paper 12 (Fig. 7 (a) based on the image of the view data that receives from main frame 14, when the zone that impales with chain-dotted line) going up, according to each unit are, calculate the use amount Q_color (step S15) behind the amount of removing colorant the total amount of the various color inks (the various inks of magenta, cyan) that spray from upstream side record head 28.Particularly, control part 56 uses with gray value represents data bitmap (gray value data) by the record ink dot (printing points) after image processing part 58 conversions, calculate the emitted dose of various color inks, and according to this result's who calculates total, according to per unit area, calculate above-mentioned use amount Q_color.Therefore, in the present embodiment, control part 56 is also brought into play the function of calculating the unit as use amount.In addition, step S15 is equivalent to the use amount calculation procedure.In addition, when use amount Q_color is meant on record-paper 12 document image, the total amount of moisture composition the total amount of the various color inks that spray from upstream side record head 28.
Then, control part 56 calculates when image being recorded in the posting field 12c of record-paper 12 according to per unit area, is ejected into the emitted dose Q_clear (step S16) of the clear ink on the regional 12a that can write down.Particularly, control part 56 calculates the emitted dose Q_clear of ink clearly, so that in the part by the not inking of color inks of upstream side record head 28 ejection, in the regional 12a that can write down, can the maximum clear ink of inking.In addition, control part 56 also calculates the emitted dose Q_clear of ink clearly, even so that in part by the color inks inking of upstream side record head 28 ejection, in the few part of inking amount, also can make more than the many parts of the inking amount of the color inks that the inking amount upstream side record head 28 of ink clearly sprays.Further, control part 56 also calculates the emitted dose Q_clear of ink clearly, so that the part more than the inking amount of the color inks that is sprayed by upstream side record head 28, the inking amount of clear ink is lacked than other parts.That is, in step S16, set the spray regime (supply mode) of clear ink.Therefore, in the present embodiment, control part 56 is also brought into play the function as setup unit.In addition, step S16 is equivalent to set step.
Then, control part 56 will allow the control instruction of upstream side record head 28 ink-jets export to upstream side head drive division 64 (step S17).Then, upstream side head drive division 64 is by upstream side head driver 53 control upstream side record heads 28, so that magenta ink and cyan are ejected on the posting field 12c of record-paper 12, and clear ink is ejected on the regional 12a that can write down of record-paper 12.Therefore, in the present embodiment, step S17 is equivalent to initial look liquid supplying step and non-staining liquid supplying step.
Then, control part 56 will allow the control instruction of downstream record head 29 ink-jets export to a downstream drive division 65 (step S18).Then, a downstream drive division 65 is by downstream head driver 54 control downstream record heads 29, so that yellow ink and black ink are ejected on the posting field 12c of record-paper 12.Therefore, in the present embodiment, the output control instruction also brings into play function as control module for the control part 56 of each drive division 64,65.In addition, step S18 is equivalent to other look liquid supplying step and the 2nd look liquid supplying step, and, constitute recording step by step S17, S18.Afterwards, if the ink-jet of each record head 28,29 finishes, then control part 56 is with regard to the end record handling procedure.
By the way, under the situation in the past of the correcting process of not carrying out above-mentioned steps S14, as shown in Figure 8, because the ink-jet of upstream side record head 28 and the heating by heater 17 cause record-paper 12 flexible, therefore, the inking position of the ink that sprays from downstream record head 29 will be according to the flexible situation of record-paper 12, depart from should inking the position.Therefore, in the present embodiment, before image being recorded on the record-paper 12, the record-paper 12 that use test is used, measure because the flexible situation (that is, each positional offset amount Gx, Gy) of the record-paper 12 that the ink-jet of upstream side record head 28 and the heating by heater 17 cause.
A downstream drive division 65 has not shown nozzle selection circuit: it revises (compensation) this positional offset amount Gy under the situation of having imported positional offset amount Gy, select the nozzle opening 30 of ink-jet.Therefore, select the selected nozzle opening 30 of circuit to revise the position deviation of deflection transverse direction Y by the change said nozzle.At this moment, by selected nozzle opening 30, regularly configuration part 72 is given in the output revision directive, so that according to the nozzle rows 32a that comprises this nozzle opening 30～32e, revises the 2nd change time HT2.
In addition, in order to revise the position deviation of deflection throughput direction X, downstream on the side under the situation of inking, will shift to an earlier date constantly from the ink-jet of downstream record head 29 from the center of the throughput direction X of record-paper 12.On the other hand, from the center of the throughput direction X of record-paper 12 upstream on the side under the situation of inking, postpone constantly from the ink-jet of downstream record head 29.Its result is on the favorably situated position of inking with respect to the ink that is sprayed by upstream side record head 28 on the record-paper 12, from the ink inking of downstream record head 29 injections.That is, the problem of the position deviation of the inking position of the ink of the inking position of the ink of upstream side record head 28 and downstream record head 29 can solve well.
Therefore, in the present embodiment, can obtain effect shown below.
(1) obtained the inking position that is ejected into the ink on the record-paper 12 by upstream side record head 28, with the situation of positional offset amount Gx, the Gy of the inking position that may be ejected into the ink on the record-paper 12 by downstream record head (other record cell) 29 under, adjust the ink-jetting style of downstream record head 29.Its result, under the state of having revised positional offset amount Gx, Gy, downstream record head 29 is injected in ink on the record-paper 12.Therefore, taken place flexiblely even record-paper 12 has absorbed the ink that sprays from upstream side record head 28, downstream record head 29 is also to the position ink-jet corresponding with the inking position of the ink that is ejected into record-paper 12 by upstream side record head 28.Therefore, promptly enable a plurality of record heads the 28, the 29th, constitute, also help to improve the image quality of the image of record on record-paper 12 what be provided with under with spaced-apart state on the throughput direction X to record-paper 12 ink-jets.
(2) in above-mentioned steps S12, upstream side record head 28 is to record-paper 12 ink-jets, the amount of this ink (promptly, the amount Q_all of regulation) total amount of the ink when being equivalent in fact image is recorded on the record-paper 12 (color inks and clear ink), under this state, obtain above-mentioned positional offset amount Gx, Gy.Adjust the ink-jetting style of downstream record head 29, so that revise above-mentioned positional offset amount Gx, the Gy that gets access to like this.Therefore, owing to be under the identical state of the amount of moisture degree of amount of moisture that record-paper 12 absorbs record-paper 12 absorptions during with high resolution images, to obtain above-mentioned positional offset amount Gx, Gy, so, more accurate positional offset amount Gx, Gy can be obtained.Therefore, help to improve the image quality of the image of record on record-paper 12.
(3) in above-mentioned steps S12,, form reference mark Mb1, Mb2 by each record head 28,29 at record-paper 12.Then, according to positional offset amount Gx, the Gy of each reference mark Mb1, Mb2, adjust the ink-jetting style of downstream record head 29.That is, carry out obtaining of positional offset amount Gx, Gy owing to be used to obtain reference mark Mb1, the Mb2 of the special use of positional offset amount Gx, Gy, so can obtain this positional offset amount Gx, Gy suitably.
(4) in addition, reference mark Mb1, Mb2 are to have the straight line portion that extends along throughput direction X and the shape of the straight line portion of direction Y extension transversely.Therefore, by forming the position and, can obtain more accurately relatively by upstream side record head 28 formed the 1st reference mark Mb1 at positional offset amount Gx on the throughput direction X and the positional offset amount Gy on the transverse direction Y by the position that forms of downstream record head 29 formed the 2nd reference mark Mb2.
(5) spray clear ink on the whole regional 12a that can write down of record-paper 12, spray regime is: the many parts of inking amount of the color inks that sprays of upstream side record head 28, the inking amount of clear ink is just few more.Therefore, no matter be the image of records what sample on record-paper 12, if the size or the kind of record-paper 12 are identical, then the emitted dose of the ink of upstream side record head 28 injections (color inks and clear ink) is a same degree just.Therefore, just can easily adjust ink-jetting style with the downstream record head 29 that is modified to purpose of positional offset amount Gx, Gy.
(6) from downstream record head 29, in the posting field 12c of record-paper 12, on position identical on the throughput direction X, spray color inks (yellow ink or black ink) with the position of having sprayed clear ink by upstream side record head 28.Promptly, each position on the throughput direction X of color inks is provided by downstream record head 29, its moisture absorption amount separately (promptly, remove the amount of colorant the total amount of the ink on being injected in record-paper 12) degree is identical, therefore, also degree is identical for the flexible situation of each position on the throughput direction X of record-paper 12.Therefore, can avoid each position on the throughput direction X of record-paper 12 is all adjusted the ink-jetting style of downstream record head 29, help summary the adjustment of ink-jetting style.
(7) be ejected into ink on the record-paper 12 by upstream side record head 28, before the ink-jet of downstream record head 29 begins, volatilized to a certain degree by heater 17.Therefore, before record-paper 12 ink-jets, can suppress to be ejected into ink on the record-paper 12 paper of spreading and sinking in, help to improve the image quality of the portrait of record on record-paper 12 from upstream side record head 28 in downstream record head 29 beginning.
(8) in the present embodiment, if do not change record condition, even receive new view data, the test processes of step S12 is not carried out yet.Therefore, compare with regard to the situation of carrying out test processes, can help to reduce the execution number of times of test processes with the view data that every reception is new.That is, can reduce the number of the record-paper 12 that is used for test processes.
In addition, above-mentioned embodiment can also change to other following embodiments.
In embodiment, also can be to constitute whenever receiving new view data just to carry out test processes.In this case, during test processes or the spray regime of the clear ink in image when record be preferably set to following mode, that is the moisture amount degree of the part that the inking amount of the color inks that the upstream side record head 28 when, the moisture amount of the per unit area in the regional 12a that can write down of record-paper 12 is with document image sprays is maximum is identical.By this formation, the emitted dose of the clear ink in the time of helping to reduce the image record.
In embodiment, can just carry out test processes whenever receiving new view data.
In embodiment, heater 17 can be configured in downstream record head 29 and compare on the downstream of more being partial to throughput direction X.In addition, can omit heater 17 between each record head 29.
In embodiment, owing to spray the color inks that is used for document image to the posting field 12c of record-paper 12, so, also can not spray clear ink.
In embodiment, also can the part beyond the posting field 12c in the regional 12a that can write down spray after the clear ink end, spray color inks to the posting field 12c of record-paper 12.
In embodiment, downstream record head 29 also can be the structure that can not spray clear ink.
In embodiment, the structure of tape deck 13 also can be: have along the record head of any number more than 3 of throughput direction X configuration.For example: the record head that magenta ink can be used, the record head that cyan is used, the record head that yellow ink is used, the record head that black ink is used dispose in order along throughput direction x.In this case, the record head that preferably constitutes the record head that is configured in upstream side and be configured in downstream can spray clear ink.If be designed to such formation, then look liquid supplying step just is divided into 4 execution.
In embodiment, also can provide clearly ink to the regional 12a that can write down of record-paper 12.At this moment, in above-mentioned steps S12, preferably on a plurality of positions, form reference mark Mb1, Mb2, and, obtain positional offset amount Gx, Gy respectively according to each position of record-paper 12.In addition, preferably according to each position of record-paper 12, adjust the ink-jetting style of downstream record head 29.
In addition, in the test processes in this case, preferably spray the clear ink of the use amount (for example, remove the use amount that the amount of colorant in ink after obtain) corresponding with the ink total amount that is used for the image record to record-paper 12.
In embodiment, in step S15, the total amount of the per unit area of the various color inks (various inks such as magenta, cyan) that spray from upstream side record head 28 in the time of also can be with document image on the posting field 12c of record-paper 12 is as use amount Q_color.That is, also can not consider the amount of colorant.
In addition, the use amount Q_color of per unit area multiplies each other the total amount of above-mentioned per unit area and the value of regulation (for example " 0.9 ") and the result that obtains.In addition, also can prepare to represent the figure or the relational expression of relation of the use amount Q_color of the total amount of above-mentioned per unit area and per unit area in advance, and from the total amount of the above-mentioned per unit area that calculates and the use amount Q_color that figure (or relational expression) obtains per unit area.
In embodiment, form the measuring and calculating position Pk of reference mark Mb1, Mb2, can be set at least 2 places on the record-paper 12.In this case, measuring and calculating position Pk preferably is set respectively in the upper right and lower-left of Fig. 7 (a).
In embodiment, reference mark Mb1, Mb2 just can be arbitrary shape (for example: " zero " or "+") so long as can obtain shape at positional offset amount Gx on the throughput direction x and the positional offset amount Gy on the transverse direction Y.
In embodiment, also can between each record head 28,29, dispose scanner 18.In this case, also can obtain the real image that forms by 28 ink-jets of upstream side record head as recorded information by scanner 18, and, obtain positional offset amount Gx, Gy from comparative result by the size of the size of the real image of the flexible reality that causes of record-paper 12 and desired image.In this case, can omit test processes, its result can suppress the increase of the use amount of record-paper 12.In addition, so-called " size of desired image " is meant that hypothetical record paper 12 does not have the size of the image under the situation flexible because of the ink-jet of upstream side record head 28.
As the modification method of the ink-jetting style of downstream record head 29, be the method that changes the inkjet direction of nozzle opening 30 according to the positional offset amount Gx that is obtained, Gy.
In addition, as modification method, also can revise the gray value that respectively writes down ink dot (printing ink dot) according to the positional offset amount Gx that is obtained, Gy.According to this structure, can obtain the effect identical with above-mentioned embodiment.
In addition, also can carry out the correction identical by the printer driver 40 of main frame 14 with the correction of above-mentioned gray value.
In embodiment, also can be the structure of adjusting the ink-jetting style of upstream side record head 28 according to the positional offset amount Gx that is obtained, Gy.In addition, under the situation of the ink-jetting style of adjusting upstream side record head 28, also can not revise the ink-jetting style of downstream record head 29.
In embodiment, 1 record cell also can be to constitute with the zigzag arrangement a plurality of record heads also more small-sized than the record head in the above-mentioned embodiment 28,29.
In addition, record head 28,29 can constitute also transversely that direction Y can move.In this case, Yi Bian each record head 28,29 transversely direction Y move around, Yi Bian ink-jet separately.But, carry out under the situation of ink-jet at least one side from each record head 28,29, preferably the rotation that temporarily stops to carry motor 24.
In embodiment, record cell can be a structure (for example, such structure of ink on record-paper 12) arbitrarily, as long as condition is can provide ink and document image on record-paper 12.
In embodiment, non-staining liquid is so long as colourless liquid, just can be that liquid is (for example: water) arbitrarily.
In embodiment, recording medium is flexible medium so long as absorb ink, just can be record-paper 12 other recording mediums arbitrarily in addition.
In embodiment, though tape deck is embodied as inkjet recording device 13, but be not limited thereto, also can be embodied as spray or the ink that spues beyond other the tape deck of liquid (comprising: the particle of functional material is disperseed or be blended in the aqueous body that forms in the liquid, the stream shape body of gel formula).In addition, in the liquid of this specification, not only comprise inorganic solvent, organic solvent, solution, aqueous resin, aqueous metal (molten metal) etc., also comprise aqueous body, stream shape body etc.
Claims (1)
1. recording method has:
The 1st supplying step, at the posting field record of the recording medium of carrying along the throughput direction of regulation during based on the image of view data, the non-staining liquid that will contain the 1st look liquid of colorant and not contain colorant offers the posting field of aforementioned recording medium; With
The 2nd supplying step, in the posting field of aforementioned recording medium, provide at least a position in above-mentioned the 1st look liquid and the above-mentioned non-staining liquid by the 1st supplying step, the 2nd look liquid that contains colorant is provided,
Also have performed following steps before above-mentioned each supplying step is carried out:
The 1st mark forms step, in the zone that can write down in aforementioned recording medium, that comprise above-mentioned posting field, uses above-mentioned the 1st look liquid to form the 1st reference mark;
Non-staining liquid supplying step after the 1st mark forms the step execution, offers above-mentioned non-staining liquid the above-mentioned whole zone that can write down of aforementioned recording medium equably;
The 2nd mark forms step, after this non-staining liquid supplying step is carried out, uses above-mentioned the 2nd look liquid to form the 2nd reference mark in the above-mentioned zone that can write down of aforementioned recording medium;
Positional offset amount detects step, detects the positional offset amount that forms formed above-mentioned the 1st reference mark of step and above-mentioned the 2nd reference mark by above-mentioned each mark;
The use amount calculation procedure, according to the per unit area zone of the posting field of recording medium, calculate respectively from the time will recording on the recording medium based on the image of above-mentioned view data the employed the above-mentioned the 1st and the total amount of the 2nd look liquid removed the use amount that obtains behind the amount of colorant; With
Non-staining liquid quantity delivered calculation procedure, according to the per unit area zone, calculate the use amount of above-mentioned the 1st look liquid that calculates by above-mentioned use amount calculation procedure and the difference of regulation amount of moisture, and with the quantity delivered of this difference as the above-mentioned non-staining liquid in per unit area zone
In above-mentioned the 1st supplying step, the above-mentioned non-staining liquid of above-mentioned the 1st look liquid of the use amount that will be calculated by above-mentioned use amount calculation procedure and the quantity delivered that calculated by above-mentioned non-staining liquid quantity delivered calculation procedure offers aforementioned recording medium respectively,
In above-mentioned the 2nd supplying step, to being detected by above-mentioned positional offset amount under the situation that the detected positional offset amount of step carried out revising, above-mentioned the 2nd look liquid of the use amount that will be calculated by above-mentioned use amount calculation procedure offers aforementioned recording medium.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008078860 | 2008-03-25 | ||
| JP2008078860 | 2008-03-25 | ||
| JP2008328775 | 2008-12-24 |
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| CN101544131A true CN101544131A (en) | 2009-09-30 |
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| CNA2009101280653A Pending CN101544131A (en) | 2008-03-25 | 2009-03-23 | Recording method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742552A (en) * | 2013-12-25 | 2015-07-01 | 精工爱普生株式会社 | Image recording method |
| CN105620039A (en) * | 2014-11-26 | 2016-06-01 | 精工爱普生株式会社 | Liquid discharge apparatus and image forming method |
| CN110924118A (en) * | 2018-09-19 | 2020-03-27 | 京瓷办公信息系统株式会社 | Inspection device and inkjet textile printing device provided with inspection device |
| CN111098601A (en) * | 2018-10-26 | 2020-05-05 | 精工爱普生株式会社 | Recording control device, recording device, and recording control method |
| CN114771114A (en) * | 2022-03-30 | 2022-07-22 | 北京博源恒芯科技股份有限公司 | Printing method and device of ink-jet printing system and ink-jet printing system |
-
2009
- 2009-03-23 CN CNA2009101280653A patent/CN101544131A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742552A (en) * | 2013-12-25 | 2015-07-01 | 精工爱普生株式会社 | Image recording method |
| CN104742552B (en) * | 2013-12-25 | 2017-11-24 | 精工爱普生株式会社 | The recording method of image |
| CN105620039A (en) * | 2014-11-26 | 2016-06-01 | 精工爱普生株式会社 | Liquid discharge apparatus and image forming method |
| CN105620039B (en) * | 2014-11-26 | 2019-03-05 | 精工爱普生株式会社 | Liquid ejection apparatus and image forming method |
| CN110924118A (en) * | 2018-09-19 | 2020-03-27 | 京瓷办公信息系统株式会社 | Inspection device and inkjet textile printing device provided with inspection device |
| CN111098601A (en) * | 2018-10-26 | 2020-05-05 | 精工爱普生株式会社 | Recording control device, recording device, and recording control method |
| CN114771114A (en) * | 2022-03-30 | 2022-07-22 | 北京博源恒芯科技股份有限公司 | Printing method and device of ink-jet printing system and ink-jet printing system |
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